<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <script src="./function.js"></script>
  <title>Document</title>
</head>
<body>
    <div id="root"></div>
    <script>
        const Hello = function () {
            return React.createElement('div', null, `Hello World`);
        };
    
        const helloWorld = React.createElement(Hello, null, null);
    
        ReactDOM.render(helloWorld, document.getElementById('root'));
    </script>
</body>
</html>